Author Topic: Some basic installation question for a CSV1A  (Read 3588 times)

petepdx

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Some basic installation question for a CSV1A
« on: May 24, 2015, 05:01:55 PM »
Going to be adding a CSV1A soon and have some questions

Documentation states that the CSV is the first "device" after the well.

Question 1. There currently is a tee'd test path on the line as the first item after the line enters the room where the tank/filter/etc is. It is only be used (valve open) when the normal path is closed off.  It is used to check things like free flow volume.

Question 2. There are both a flow and pressure sensor in the main path I'm a semi-retired process engineer that wants to monitor how the setup is behaving. Any issues ?

Question 3. There is a Rusco Spin-Down sediment filter. Would it not be better for the filter to go before the CSV ? The well has not been used in a long time and with 360' of 1" galvanized there are some pretty good size pieces of what look like scale coming up.

If it is recommended that the filter should go after the CSV, what keeps the CSV from getting in a condition where the 1 GPM "closed" opening from clogging or sediment hanging on the valve seat(s) ?

Thanks

-pete




Cary Austin

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Re: Some basic installation question for a CSV1A
« Reply #1 on: May 25, 2015, 05:59:22 PM »
There is no problem having a line tee off prior to the CSV1A, as long as that line is used at max pump flow, or just occasionally to fill a dog bowl or something small.  Reduced flow rate in that line will still cause the pump to cycle on/off, so it should be used with caution if at all.

Also no problem using flow or pressure sensors, as long as they don't have any control of the pump/motor.  Monitor all you want, just let the CSV and pressure switch run the system.

You need to check the max pressure allowable for the filter.  Then check the deadhead pressure of the pump less the static water level.  Make sure that the backpressure from the pump does not exceed the rating of the filter.  If it does, put the filter after the CSV.

The CSV is designed to handle some sediment.  The design of the bypass prevents clogging with debris.  But any device will last longer if you can keep the debris out.